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Finding the Fourth Proportional to 66,948.01, 100,351.94 and 22,559.42

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Solution

The fourth proportional to 66,948.01, 100,351.94 and 22,559.42 is: 33,815.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,948.01 : 100,351.94 = 22,559.42 : x
  2. Step 2: Convert to fraction form
    66,948.01/100,351.94 = 22,559.42/x
  3. Step 3: Cross multiply
    66,948.01x = 100,351.94 × 22,559.42
  4. Step 4: Simplify right side
    66,948.01x = 2,263,881,700.36
  5. Step 5: Solve for x
    x = 2,263,881,700.36/66,948.01
  6. Step 6: Final answer
    x = 33,815.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.